Subject: Re: Compiling NetBSD with another compiler.
To: Anders Magnusson <email@example.com>
From: Alistair Crooks <firstname.lastname@example.org>
Date: 09/15/2007 10:54:47
On Fri, Sep 14, 2007 at 04:36:30PM +0200, Anders Magnusson wrote:
> Hm, I realized that there were more people interested in this compiler,
> so I'll send
> a mail about it on these lists also. I have setup a mailing list about
> pcc, join it by:
> _echo "subscribe pcc-list" | Mail email@example.com_
> or similar. There is also an embryo to a web page about pcc;
> which contains some basic information.
> I have (as some people may know) been hacking on pcc for fun for some
> After having that project on the shelf for a year or so, I decided to
> make the compiler
> at least compile the NetBSD source tree again.
> It is not yet bug-free, but it can compile the i386 userspace. The big
> benefit of it
> (apart from that it's BSD licensed, for license geeks :-) is that it is
> fast, 5-10 times
> faster than gcc, while still producing reasonable code. The only
> optimization added
> so far is a multiple-register-class graph-coloring register allocator,
> which may be
> one of the best register allocators today. Conversion to SSA format is
> also implemented,
> but not yet the phi function. Not too difficult though, after that
> strength reduction is
> high on the list.
I've added this to pkgsrc/lang/pcc - all further contributions welcome.
FYI, there was great interest expressed in pcc by all of the BSD projects
here at EuroBSDcon 2007, since a BSD-licensed compiler is high on the
list of priorities for us.
Thanks once again for doing this - it's really, really neat.